1.

The sum of the roots of quadratic equation 3 x square - 9 x + 5is equal to zero​

Answer»

ANSWER:

here

,3x² -9 + 5=0

using bhramagupt formula,

X= - b ± √ b²-4ac /2a

we get,

x= -(-9) ± √9²- 4.3.5 / 2× 3

x= 9 ± √21 / 6

now sum of TWO ROOT is,

(9+√21) /6 +( 9 -√21)6

=( 18+0 )/6

=3


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